320232243132 has 72 divisors (see below), whose sum is σ = 815967606272. Its totient is φ = 105890004000.

The previous prime is 320232243127. The next prime is 320232243157. The reversal of 320232243132 is 231342232023.

320232243132 is a `hidden beast` number, since 3 + 20 + 2 + 322 + 4 + 313 + 2 = 666.

It is a super-2 number, since 2×320232243132² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320232243096 and 320232243105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3911457 + ... + 3992487.

Almost surely, 2^320232243132 is an apocalyptic number.

It is an amenable number.

320232243132 is an abundant number, since it is smaller than the sum of its proper divisors (495735363140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320232243132 is a wasteful number, since it uses less digits than its factorization.

320232243132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81919 (or 81914 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 320232243132 its reverse (231342232023), we get a palindrome (551574475155).

The spelling of 320232243132 in words is "three hundred twenty billion, two hundred thirty-two million, two hundred forty-three thousand, one hundred thirty-two".